exprtk_simple_example_06.cpp File Reference

#include <cstdio>
#include <string>
#include "exprtk.hpp"

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Functions
template<typename T >
void	vector_function ()
int	main ()

Function Documentation

main()

int main

(

)

Definition at line 57 of file exprtk_simple_example_06.cpp.

{
   vector_function<double>();
   return 0;
}

vector_function()

template<typename T >

void vector_function

(

)

Definition at line 27 of file exprtk_simple_example_06.cpp.

{
   typedef exprtk::symbol_table<T> symbol_table_t;
   typedef exprtk::expression<T>   expression_t;
   typedef exprtk::parser<T>       parser_t;
 
   const std::string expression_string =
      " for (var i := 0; i < min(x[], y[], z[]); i += 1) "
      " {                                                "
      "    z[i] := 3sin(x[i]) + 2log(y[i]);              "
      " }                                                ";
 
   T x[] = { T(1.1), T(2.2), T(3.3), T(4.4), T(5.5) };
   T y[] = { T(1.1), T(2.2), T(3.3), T(4.4), T(5.5) };
   T z[] = { T(0.0), T(0.0), T(0.0), T(0.0), T(0.0) };
 
   symbol_table_t symbol_table;
   symbol_table.add_vector("x",x);
   symbol_table.add_vector("y",y);
   symbol_table.add_vector("z",z);
 
   expression_t expression;
   expression.register_symbol_table(symbol_table);
 
   parser_t parser;
   parser.compile(expression_string,expression);
 
   expression.value();
}

References exprtk::parser< T >::compile().

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